{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949324,-0.314298,0.000000,0.000000,0.175706,-0.530712,0.829139,0.000000,-0.260048,0.785464,0.561624,0.000000,-1660375.194020,5015093.519562,3561898.090265,1],    "boundingVolume": {    "region": [1.890464,0.596307,1.890563,0.596388,0.000000,8.145533]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1338290.b3dm"}}}